Google Play Verified
Signed, scanned by Play Protect, and distributed only through Google Play — no third-party APKs.
Popular Apps
8Utilities
23
ACleaner – Clean Phone
AI Explorer
AKClearing-SmartCleanTool
Calculator–Math Science & Unit
Calculator: Unit & Currency
DeviceInfo check & compare
Dream Clock(Smart Alarm)
File Explorer
File Manager
Filezy – Smart File Manager
Flashlight：Smart Torch
InBrowser – Smart Web Browser
InExplorer – Private Browser
InShare: File Transfer&Share
MapCompass: Feng Shui GPSGuide
MyFiles
QR Code Scanner: Food Barcode
Recorder: Cut & Transcribe
Translate - Universal Language
TVRemote: TV Remote Control
Weather: Forecast & Alerts
Weatherly – Forecast & Clock
ZMaster – Zip & RAR Extractor
Finance
7Productivity
9Lifestyle
7Media
7Entertainment
10
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Read guides
Six focused Android app collections
Every U77U app is grouped by what you actually do with it. Open a collection to compare features, see who each app suits, and check the official Google Play listing before you install.
23 apps
Utility apps
Storage cleaners, file managers, private browsers, QR scanner, weather, translation and device tools.
Compare utilities 7 appsFinance apps
Expense tracking, live US stocks, crypto watchlists, gold rates and a 34-currency converter.
Compare finance apps 9 appsProductivity apps
Document scanning, offline PDF tools, Markdown notes, an ad-free calendar and a world clock.
Compare productivity apps 7 appsLifestyle apps
4K wallpapers, workout streaks, a multilingual Bible, dog breeds, tarot and an AI health assistant.
Compare lifestyle apps 7 appsMedia apps
Galleries with OCR search, local music players, a video player, live radio and a sleep-sound mixer.
Compare media apps 10 appsEntertainment apps
Sudoku, cat logic puzzles, match-3, bubble shooter, offline chess training and arcade runs.
Compare games
OFFICIAL & TRUSTED
Built for everyday trust
Privacy-First
Notes, scans, recordings, and expense logs stay on your device. No invasive tracking.
Lightweight & Fast
Quick startups, gentle battery use, and compact installs that keep Android running smoothly.
GUIDES & TIPS
Browse all
Practical Android guides
STORAGE
Free up storage without losing files
Audit space-eaters, clear caches safely, and archive legacy media.
Read guide PRODUCTIVITYGo paperless with document scanning
Digitize paperwork, name files clearly, and keep reliable backups.
Read guide FINANCETrack daily expenses in 60 seconds
Start with three simple buckets and build lasting money awareness.
Read guide
FAQ
Common questions
Are U77U apps safe to install?
Yes. All U77U applications are distributed exclusively through the official Google Play Store and are verified by Google Play Protect. We do not provide or endorse third-party APK downloads outside Google Play.
Are the applications free to use?
Most of our utilities, tools, and lifestyle apps are completely free to install and use for everyday core tasks. For specific app details and features, review the official store listing on Google Play before installing.
Do these apps work offline?
Many of our utilities — such as Calculator: Unit & Currency, scan2PDF, Filezy, Recorder: Cut & Transcribe, and Sudoku — are built local-first and operate fully without an active internet connection.
Which Android versions are supported?
Our applications are built targeting modern Android operating system versions (including Android 13, 14, and 15) while maintaining backward compatibility with most standard devices running Android 7.0 and up.
How do I report bugs or suggest new features?
We welcome your feedback! You can reach our developer team directly via email at flychatink@gmail.com or use the support contact details provided on each app's Google Play store page.